Bob Barr

Bob Barr

Nicholas Kamm / AFP/Getty Images

Libertarian presidential candidate Bob Barr rankles some former GOP colleagues with statements such as this: What George W. Bush has done to the fabric of our constitutional government, to separation of powers, to a government of limited powers is absolutely unforgivable.

Libertarian presidential candidate Bob Barr rankles some former GOP colleagues with statements such as this: What George W. Bush has done to the fabric of our constitutional government, to separation of powers, to a government of limited powers is absolutely unforgivable. (Nicholas Kamm / AFP/Getty Images)

Libertarian presidential candidate Bob Barr rankles some former GOP colleagues with statements such as this: What George W. Bush has done to the fabric of our constitutional government, to separation of powers, to a government of limited powers is absolutely unforgivable.